pull ups size 4
Worth a lookShows low returns (0.9%), but brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Conversion
Incredible12.3%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$33.83avg listing price — sweet spot $15–$100
Price range
Great$9.02–$51.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$918K$918K/yr · 221K searches
Growth
Okay+15.6%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad78%top-5 click share — a locked-up shelf
Review moat
Bad24,786.38avg incumbent reviews — the moat a new listing must climb
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, pull ups size 4 is a $918K/yr Amazon United States market (221K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jan. Verdict: Worth a look — 54/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
pull ups size 4 market data
- Units sold / yr
- 20K–25K
- avg 1,500–2,000/product
- Revenue / yr
- $677K–$846K
- units × avg price
- Conversion rate
- 12.3%
- Avg BSR
- #17
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 77%
- Out of stock
- 0.0%
- Avg brand age
- 52 months
- Avg seller age
- 142 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 rising
Sellers
52
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
2%
- Pampers79%
- Pull-Ups6%
- HUGGIES5%
- MooMoo Baby3%
- Mama Bear3%
- JOONYA2%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +15.6% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.9×
Top pull ups size 4 search terms
- pampers cruisers size 461K/yr
- pampers 360 size 426K/yr
- size 4 pull ups19K/yr
- pull ups size 421K/yr
- pull up diapers size 416K/yr
- size 4 pull up diapers8K/yr
- pull on diapers size 48K/yr
- pampers pull ups size 47K/yr
- 360 diapers size 47K/yr
- pull up size 46K/yr
Top pull ups size 4 products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Pampers Diapers - Cruisers 360 - Size 4 116 Count Babyproof up to 100% Leakproof Pull-On Diaper
Pampers$37.934.8★27,841 rev

Pampers Diapers - Swaddlers 360 - Size 4 132 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper (Packaging May Vary)
Pampers$46.544.5★1,416 rev

Pampers Diapers - Swaddlers 360 - Size 4 19 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper
Pampers$9.284.5★1,416 rev

Huggies Size 4 Diapers Little Movers Baby Diapers Size 4 (22-37 lbs) 150 Count (6 Packs of 25) Packaging May Vary
HUGGIES$51.354.8★46,925 rev

Pampers Training Pants - Easy Ups Boys & Girls Bluey - Size 2T-3T 140 Count Childrens Potty Underwear (Packaging May Vary)
Pampers$39.174.7★46,269 rev
Newest
by launch date
Pampers Diapers - Swaddlers 360 - Size 4 19 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper
Pampers$9.281,416 rev

Huggies Size 4 Diapers Little Movers Baby Diapers Size 4 (22-37 lbs) 150 Count (6 Packs of 25) Packaging May Vary
HUGGIES$51.3546,925 rev

HealthyBaby Size 4 Diaper Training Pants (46 Count) Easy Pull-On & Tear-Away Design for Potty Training Leak Protection for Active Toddlers EWG-Verified Safe Plant-Based
Healthybaby$33.52355 rev

Pampers Diapers - Swaddlers 360 - Size 4 132 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper (Packaging May Vary)
Pampers$46.541,416 rev

Joonya Pull-Up Pants Baby Diapers Size 4 L (15-26 lb) - 1 Bag of 25 - Non Toxic Eco-Friendly High Absorbency Overnight Use Ultra Slim & Soft - Made in Denmark
JOONYA$22.88195 rev
Trending
90-day click momentum
MooMoo Baby Training Underwear for Boys and Girls Absorbent Toddler Training Pants Cotton Washable and Reusable 2T-7T 8 Packs
MooMoo Baby$31.224.5★

Joonya Pull-Up Pants Baby Diapers Size 4 L (15-26 lb) - 1 Bag of 25 - Non Toxic Eco-Friendly High Absorbency Overnight Use Ultra Slim & Soft - Made in Denmark
JOONYA$22.884.3★

Pampers Diapers - Cruisers 360 - Size 4 116 Count Babyproof up to 100% Leakproof Pull-On Diaper
Pampers$37.934.8★

Pampers Diapers - Swaddlers 360 - Size 4 19 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper
Pampers$9.284.5★

Pampers Diapers - Swaddlers 360 - Size 4 132 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper (Packaging May Vary)
Pampers$46.544.5★
What buyers say about pull ups size 4
What buyers praise and complain about, mined from review topics.What buyers love
“the quality is always consistent”
“Very Absorbent”
“prevent leaks most of the time”
“They fit well”
“This is the softest yet most affordable diaper”
“Great price”
“theyve been convenient”
“Comfortable”
“The design is cute”
“We love these diapers for our son, they keep him dry all night and dont leak”
What buyers complain about
“It leaks”
“they are huge”
“These smell awful”
“plastic itchy material”
“Poor quality”
“Terrible absorbency”
“i see why they are so cheap”
“False advertising”
“Zero Capacity”
“They aren't as thick”
Top return reasons
Common questions
- Is pull ups size 4 profitable to sell on Amazon United States?
- The niche generates $918K/yr across 13 tracked products. 90-day search growth is +15.6%. Flapen's verdict: Worth a look (54/100).
- How competitive is the pull ups size 4 niche?
- 7 brands and 52 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in pull ups size 4?
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Smell. The return rate is 0.9%.
- When does demand for pull ups size 4 peak?
- Demand peaks in Jan; the busiest month runs 1.9× the quietest.
- What does it cost to enter the pull ups size 4 niche?
- Listings span $9.02–$51.35; the average listing price is $33.83 (sweet spot $15–$100). The average incumbent carries 24,786 reviews — the moat a new listing must climb.